2129463727 has 2 divisors, whose sum is σ = 2129463728. Its totient is φ = 2129463726.

The previous prime is 2129463689. The next prime is 2129463731. The reversal of 2129463727 is 7273649212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2129463727 - 2⁷ = 2129463599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2129463767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064731863 + 1064731864.

It is an arithmetic number, because the mean of its divisors is an integer number (1064731864).

Almost surely, 2^2129463727 is an apocalyptic number.

2129463727 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129463727 is an equidigital number, since it uses as much as digits as its factorization.

2129463727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 43.

The square root of 2129463727 is about 46146.1128048723. The cubic root of 2129463727 is about 1286.5403617580.

The spelling of 2129463727 in words is "two billion, one hundred twenty-nine million, four hundred sixty-three thousand, seven hundred twenty-seven".